Gear shaft quenching furnace auxiliary tool

Abstract

The utility model discloses an auxiliary tool for a gear shaft quenching furnace. The auxiliary tool comprises a bottom frame, a first supporting plate, a stand column and a second supporting plate which are sequentially arranged from bottom to top. The first supporting plate is detachably arranged on the bottom frame, the two ends of the stand column are detachably connected with the first supporting plate and the second supporting plate respectively, supporting blocks are detachably arranged on the first supporting plate and the second supporting plate respectively, the shapes of the supporting blocks are not unique, the heights of the stand columns are not unique, and a plurality of vent holes are formed in the first supporting plate, the second supporting plate and the bottom frame respectively. According to the scheme, the double layers of supporting plates are arranged, the multiple supporting blocks are arranged on each layer of supporting plate, one gear shaft part can be placed on each supporting block, the space utilization rate is increased, and energy is saved. The supporting blocks and the stand columns can be replaced, the supporting blocks of different shapes and the stand columns of different heights can be manufactured according to specific part types, and universality is improved. Meanwhile, vent holes are formed in the side face and the upper face of the bottom frame and the upper face of the first supporting plate and the upper face of the second supporting plate, gas circulation is enhanced, and uniform heating is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment of gear shaft parts, and more specifically, to an auxiliary tool for a quenching furnace of gear shaft parts. Background Art

[0002] Currently, when known gear shaft parts enter a heat treatment furnace, auxiliary tools such as suspension parts, basket frames, and flat plates are all used. The above-mentioned auxiliary tools have problems such as a small amount of workpieces placed, uneven heating of workpieces, uneven carbon atmosphere, uneven quenching hardness, etc., which affect the consistency of the carburizing depth of workpieces. It causes difficulties in loading and unloading the furnace, as well as controlling the depth and hardness, and easily results in unqualified products and energy waste caused by insufficient loading capacity. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an auxiliary tool for a quenching furnace of gear shaft parts, so as to solve the problems of uneven heating and limited loading capacity existing in the existing auxiliary tools for gear shaft quenching furnaces.

[0004] The technical solution of the utility model provides an auxiliary tool for a quenching furnace of gear shaft parts, which includes a bottom frame, a first support plate, a column, and a second support plate arranged in sequence from bottom to top;

[0005] The first support plate is detachably arranged on the bottom frame, both ends of the column are detachably connected to the first support plate and the second support plate respectively, support blocks are detachably arranged on both the first support plate and the second support plate, the shape of the support blocks is not unique, the height of the column is not unique, and a plurality of ventilation holes are arranged on the first support plate, the second support plate, and the bottom frame.

[0006] In a preferred embodiment, the support block includes a support main body, a support convex block arranged on one side of the support main body, a positioning convex block arranged on the other side of the support main body, and a mounting post.

[0007] In a preferred embodiment, positioning holes and mounting holes are correspondingly arranged on the first support plate and the second support plate.

[0008] In a preferred embodiment, the sizes and spacings of the positioning convex blocks and mounting posts at the bottoms of the support blocks with different shapes are the same.

[0009] In a preferred embodiment, four lifting rings are threadedly connected to the four corners of the bottom frame.

[0010] In a preferred embodiment, a semi-circular support seat is arranged at the bottom of the bottom frame.

[0011] In a preferred embodiment, the bottom frame and the first support plate, the column and the first support plate and the second support plate, and the support block and the first support plate and the second support plate are all fixed by plugging.

[0012] The beneficial effects of the technical solution of the present utility model are as follows:

[0013] In this solution, a double-layer pallet is provided, and a plurality of support blocks are arranged on each layer of the pallet. A gear shaft part can be placed on each support block, which improves the space utilization rate and saves energy. Both the support blocks and the columns can be replaced. Different-shaped support blocks and columns with different heights can be made according to the specific types of parts, increasing the versatility. At the same time, ventilation holes are provided on the side and top of the chassis, as well as on the top of the first pallet and the second pallet, enhancing gas circulation and ensuring uniform heating. Description of the Drawings

[0014] Figure 1 is the front view of the present utility model,

[0015] Figure 2 is the side view (a) and top view (b) of the chassis of the present utility model,

[0016] Figure 3 is the front view (c) and top view (d) of the first pallet of the present utility model when installing the support blocks,

[0017] Figure 4 is the top view of the first pallet of the present utility model,

[0018] Figure 5 is the top view (e), bottom view (f) and side view (g) of one of the shaped support blocks of the present utility model,

[0019] Figure 6 is the front view of the columns with different heights (h1) and (h2) of the present utility model.

[0020] Explanation of the reference numerals in the drawings: 1 chassis, 2 first pallet, 3 second pallet, 4 column, 41 counterbore, 42 cylindrical step, 5 support block, 51 support body, 52 support convex block, 53 positioning convex block, 54 mounting post, 6 positioning hole, 7 mounting hole, 8 lifting ring, 9 semi-circular support seat, 10 ventilation hole. Detailed implementation manners

[0021] The present utility model will be further described in detail below in conjunction with the drawings and specific implementation manners. The embodiments of the present utility model are given for the convenience of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations will be obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

[0022] Such as Figure 1-6As shown in the figure, the technical solution of the present utility model provides an auxiliary tool for a quenching furnace for gear shafts, which includes a chassis 1, a first support plate 2, a column 4, and a second support plate 3 arranged in sequence from bottom to top. The first support plate 2 is detachably arranged on the chassis 1, both ends of the column 4 are detachably connected to the first support plate 2 and the second support plate 3 respectively, support blocks 5 are detachably arranged on both the first support plate 2 and the second support plate 3, the shape of the support blocks 5 is not unique, the height of the column 4 is not unique, and a number of ventilation holes 10 are arranged on the first support plate 2, the second support plate 3, and the chassis 1.

[0023] In this solution, a double-layer support plate is provided, and multiple support blocks 5 are arranged on each layer of the support plate. A gear shaft part can be placed on each support block 5, which improves the space utilization rate and saves energy. The support blocks 5 and the column 4 can be replaced. Different-shaped support blocks 5 and columns 4 with different heights can be made according to specific part types, increasing versatility. At the same time, ventilation holes 10 are arranged on the side and top of the chassis 1, as well as on the top of the first support plate 2 and the second support plate 3, enhancing gas circulation and ensuring uniform heating. Of course, according to the space situation in the furnace, multiple layers of support plates can also be set, not limited to two layers.

[0024] The support block 5 includes a support body 51, a support convex block 52 arranged on one side of the support body 51, a positioning convex block 53 arranged on the other side of the support body 51, and a mounting post 54. Corresponding positioning holes 6 and mounting holes 7 are arranged on the first support plate 2 and the second support plate 3. The positioning convex block 53 is inserted into the positioning hole 6, and the mounting post 54 is inserted into the mounting hole 7 to realize the fixing of the support block 5. At the same time, the plug-in method is used for fixing, which is convenient for disassembly. The support convex block 52 is arranged on the support body 51 to reduce the contact area between the part and the support block 5 and avoid the problem of uneven local heating.

[0025] The sizes and spacings of the positioning convex block 53 and the mounting post 54 at the bottom of the support blocks 5 with different shapes are the same. The sizes of the positioning convex block 53 and the mounting post 54 at the bottom of the support block 5 are unified, ensuring that support blocks 5 with different shapes can be installed on the first support plate 2 and the second support plate 3.

[0026] Four lifting rings 8 are threadedly connected to the four corners of the chassis 1. A semi-circular support seat 9 is arranged at the bottom of the chassis 1. The four lifting rings 8 facilitate the overall lifting of this auxiliary tool onto the sliding table, and the semi-circular support seat 9 below the chassis 1 facilitates the easy pushing of the auxiliary tool into the furnace.

[0027] The chassis 1 and the first support plate 2, the column 4 and the first support plate 2 and the second support plate 3, and the support block 5 and the first support plate 2 and the second support plate 3 are all fixed by plugging. Counterbores 41 and cylindrical steps 42 are respectively arranged at the upper and lower parts of the column 4 to facilitate the connection between components.

[0028] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art and related fields based on the embodiments in the present utility model without creative efforts shall fall within the scope of protection of the present utility model. Structures, devices, and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, shall be implemented by conventional means in the art.

Claims

1. A quenching furnace auxiliary tool for gear shafts, characterized in that: It includes a chassis, a first pallet, a column, and a second pallet which are arranged in sequence from bottom to top; The first pallet is detachably arranged on the chassis, both ends of the column are detachably connected to the first pallet and the second pallet respectively, support blocks are detachably arranged on both the first pallet and the second pallet, the shape of the support blocks is not unique, the height of the column is not unique, and a number of ventilation holes are arranged on the first pallet, the second pallet, and the chassis.

2. The auxiliary tool for a gear shaft quenching furnace according to claim 1, wherein: The support block includes a support body, a support convex block arranged on one side of the support body, a positioning convex block arranged on the other side of the support body, and a mounting post.

3. The auxiliary tool for a gear shaft quenching furnace according to claim 2, characterized in that: Positioning holes and mounting holes are correspondingly arranged on the first pallet and the second pallet.

4. The auxiliary tool for a gear shaft quenching furnace according to claim 2, characterized in that: The sizes and spacings of the positioning convex blocks and the mounting posts at the bottoms of the support blocks with different shapes are the same.

5. A kind of quenching furnace auxiliary tool for gear shafts according to claim 1, characterized in that: Four lifting rings are threadedly connected to the four corners of the chassis.

6. A kind of quenching furnace auxiliary tool for gear shafts according to claim 1, characterized in that: Semicircular support seats are arranged at the bottom of the chassis.

7. The auxiliary tool for a gear shaft quenching furnace according to claim 1, characterized in that: The chassis and the first pallet, the column and the first pallet and the second pallet, and the support block and the first pallet and the second pallet are all fixed by plugging.

Images